What does the "complement of an event" mean? * All outcomes of the event
The opposite event
The same event
none of above

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

If chord ab is congruent to chord cd, then what must be true about ef and eg?